Home / 1,480,804.62-2,218,247.19-680,990.10

Finding the Fourth Proportional to 1,480,804.62, 2,218,247.19 and 680,990.10

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Solution

The fourth proportional to 1,480,804.62, 2,218,247.19 and 680,990.10 is: 1,020,124.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,804.62 : 2,218,247.19 = 680,990.10 : x
  2. Step 2: Convert to fraction form
    1,480,804.62/2,218,247.19 = 680,990.10/x
  3. Step 3: Cross multiply
    1,480,804.62x = 2,218,247.19 × 680,990.10
  4. Step 4: Simplify right side
    1,480,804.62x = 1,510,604,375,742.82
  5. Step 5: Solve for x
    x = 1,510,604,375,742.82/1,480,804.62
  6. Step 6: Final answer
    x = 1,020,124.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.